Taqui Khan, M. M. ; Hussain, Amjad ; Moiz, M. A. ; Naik, R. M. (1989) Equilibrium and kinetic studies of the interaction of [RuIII(EDTAH)(H2O)]with CO Polyhedron, 8 (17). pp. 2199-2207. ISSN 0277-5387
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0277-5387(00)80357-5
Abstract
Interaction of [Ru(EDTAH)(H2O)] (1), MHL(H2O), with CO in aqueous solution was investigated by potentiometry, spectrophotometry and electrochemistry. Complex 1 reacted with CO in the pH range 2-3.5 to form the protonated and the normal carbonyl complexes, MHLCO (2) and MLCO (3), respectively (L = EDTA, HL = EDTAH). Complex 3 combined with 1 to form the μ-CO---μ-OH dimer, [ML(CO)(OH)ML] (4). The log of the stability constants, determined spectrophotometrically, for the formation of complexes 2, 3 and 4 at 25°C (μ=0.1 M) are 2.4, 4.9 and 3.72, respectively. The kinetics of the formation of complexes 2-4 were studied spectrophotometrically. The complexes constitute the first series of ruthenium(III)-carbonyls in aqueous solution, by the direct interaction of a soluble aquo RuIII-EDTA complex with CO.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 58520 |
| Deposited On: | 31 Aug 2011 12:16 |
| Last Modified: | 31 Aug 2011 12:16 |
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